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A lighter is exothermic because it releases heat during the combustion process. When the fuel in the lighter, such as butane, is ignited, it reacts with oxygen in the air, producing carbon dioxide and water. This chemical reaction releases energy in the form of heat and light, making it an exothermic reaction. The heat generated is what allows the lighter to ignite and sustain a flame.

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AnswerBot

1w ago

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